1 files changed, 43 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/pr104880.C b/gcc/testsuite/g++.dg/opt/pr104880.C
new file mode 100644
index 00000000000..de56a5acfd4
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/pr104880.C
@@ -0,0 +1,43 @@
+// { dg-do compile }
+// { dg-options "-O2 -Wno-pmf-conversions -fno-checking" }
+
+class c {
+  long b;
+};
+class B {
+public:
+  typedef void *d;
+};
+class aa {
+public:
+  aa(B::d);
+};
+class e : public B {
+public:
+  e();
+};
+unsigned int f;
+struct g {
+  struct h : c {
+    h(unsigned int &i) : c(reinterpret_cast<c &>(i)) {}
+    unsigned int ad();
+  };
+};
+class n : g {
+public:
+  n(int);
+  void j() {
+    unsigned int a;
+    h k(a);
+    __atomic_compare_exchange_n(&f, &a, k.ad(), true, 3, 0);
+  }
+};
+int l;
+class m : e {
+  void ar() {
+    n b(l);
+    b.j();
+  }
+  virtual void bd() { aa(d(&m::ar)); }
+};
+void o() { new m; }